Abstract: Provided is an injection container capable of relieving an overpressure state which includes a housing having therein an accommodation space for accommodating contents, and having an upper sealing cap for sealing an upper part of the accommodation space; a mounting cup mounted to the upper sealing cap, and having a through hole at a middle part thereof; a stem housing including a mounting portion having a hollow portion therein and mounted to the mounting cup, and a communication flow path for communicating the hollow portion with the accommodating space; a valve stem having one side which passes through the through hole, having another side arranged at the hollow portion so as to be slidable, and having an orifice selectively communicated with the hollow portion by the sliding; and a flow path blocking valve configured to block the communication flow path when an overpressure occurs.

Abstract: A domestic beverage dispensing device includes a conduit for supplying the beverage from keg to a tap and a cooling member. The cooling member has a passage surrounded by heat conductive material. A disposable tube of deformable material forms at least a part of the conduit and extends through the passage. The deformability of the material of the disposable tube is such that the outer surface of the wall of the tube abuts against the inner surface of the passage when the beverage is pressurized.

Abstract: A closure (1) for a beverage keg (90), comprising an inlet for admitting a pressurised gas into a headspace of the beverage keg (90) and a venting aperture (27) separate from the inlet. The venting aperture (27) is configured to provide fluid communication between the headspace of the keg (90) and an exterior of the closure (1). The closure (1) is provided with a barrier (29) that is welded to the closure (1) and configured to seal the venting aperture such that the closure (1) is able to retain the pressurised gas within the keg (90) in an unvented configuration. The barrier (29) is configured to rupture and/or to become at least partially detached from the closure (1) by internal pressure from within the keg (90) in order to switch the closure (1) into a vented configuration in which the venting aperture (27) is no longer sealed by the barrier (29).

Abstract: Various compostions, including particularly aerosol compositions, containing fluorinated olefins, including particularly tetra- and penta-fluorpropenes, in a variety of applications are disclosed.

Abstract: An aerosol dispenser, an outer container for an aerosol dispenser, and a preform for an outer container. The aerosol dispenser, outer container, and preform each have a neck including a crimp ring. The crimp ring may be configured to receive a valve cup, which is clinched thereto. The crimp ring includes one or more vents. The vents may be used to control overpressurization within the dispenser. The vents may be exposed to pressurized propellant and product due to deformation of the neck during undue overpressurization. The vents allow propellant and/or product to be released therethrough in the event of overpressurization.

Abstract: A method of making a pressurized packaged liquid beverage. The method includes filling a container including a one-way valve with a liquid beverage, sealing the container, introducing a volume of gas through the one-way valve after sealing the container, and agitating the liquid beverage inside the sealed container, When the container is opened, the liquid beverage increases in volume and separates into liquid phase and a drinkable foam phase. The method may be carried out in a sealed container including a one-way valve adapted to allow a gas to enter the first container but not exit or a circulatory agitation system according to other embodiments. Thee liquid beverage may include milk, coffee, fruit juice, or mixtures thereof, particularly mixtures of milk and coffee, and may further include a gum. The gas may be nitrous oxide.

Abstract: Disclosed herein is an invention related to a gas cylinder safety valve. The disclosed gas cylinder safety valve includes a valve part configured to discharge gas with which a main body is filled and a gas blocking part disposed in the valve part and configured to block a gas flow path in accordance with a pressure inside the main body, wherein the gas blocking part includes a blocking operation part disposed in the valve part, a blocking pin member disposed to be slidable in the blocking operation part and configured to selectively block the gas flow path, and a separation preventing cap coupled to the blocking operation part and configured to prevent separation of the blocking pin member.

Abstract: A novel beer dispenser, including a base, a main body and a cap; a receiving cavity is provided inside the main body. The receiving cavity accommodates a beer container. The main body is disposed on the base and has a bottom portion which communicates with the base. A base cup is provided inside the base. The base cup has a sealing flange on top. The base cup receives a bottom portion of the beer container. The main body has a top portion which is disposed with an air pump receiving cavity. An air pump is disposed inside the air pump receiving cavity. The cap is disposed at the top portion of the main body. The present invention is divided into three parts, namely the base, the main body and the cap. Such reasonable structure facilitates both assembly and cleaning.

Abstract: A method of making a pressurized packaged liquid beverage including filling a container including a one-way valve with a liquid mixture including a base liquid and a gum; sealing the container; introducing a volume of gas through the one-way valve after sealing the container; and agitating the container. When the container is opened, the liquid mixture increases in volume and separates into a liquid phase and a drinkable foam phase, which may persist for an extended period of time. The base liquid includes milk, coffee, fruit juice, or mixtures thereof.

Abstract: A pressure-releasing breather hose 1 mounted on a urea water tank 2 is dividably constituted by a flexible joint portion 1a with an end capable of being fitted over a hose joint 3 on the tank 2, and a vertical portion 1b connected to the other end of the joint portion 1a and suspending downward along a side surface of the tank 2. The joint and vertical portions 1a and 1b are constituted by a rubber hose made of ethylene propylene diene terpolymer (EPDM) and a polyethylene pipe (resin pipe) made of high density polyethylene (HDPE), respectively.

Abstract: A method for releasing residual pressurized fluid from an aerosol canister, said method comprising the manual opening of a vent assembly (614) for said canister (600), the vent assembly (614) comprising first (615) and second (616) members and a receiving part (617), the receiving part (617) having an outer surface configured to form a fluid seal against an edge of a hole in the canister (600), and an internal volume having a longitudinal axis, the second member (616) disposed within the internal volume of the receiving part (617) and configured for linear translation along the longitudinal axis relative to the receiving part (617), the first member (615) rotatably engaged with the second member (616), rotation of the first member (615) relative to the second member (616) configured to impart translation of the second member (616) along the longitudinal axis such that, in a first position, the second member (616) forms a fluid seal against the receiving part (617) and, in a second position, a fluid passage is

Abstract: A closure (10) for use with a beverage keg (20) is disclosed. The closure (10) comprises an inlet, a barrier (1) and a housing (2) that defines a venting hole (11). The barrier (1) seals the venting hole (11). The closure (10) comprises an unvented configuration in which a keg to which the closure is fitted can be pressurized. The closure (10) also comprises a vented configuration in which the barrier (1) is unsealed from the venting hole (11) to permit depressurization of the keg (20).

Abstract: A plastic package for dispensing a product in aerosol form having improved crazing resistance and sustainability is disclosed. The plastic package comprises a bottle having a delivery device, a valve to control flow, and a stable plastic package that holds the product when sealed using the valve. In one embodiment, at least a portion of the plastic package comprises PEF.

Abstract: A dispensing device for cartridges having a trigger grip for operating a valve of the dispensing device, a connection for supplying a pressurized gas, a cartridge connector for connecting a cartridge, and a base body, in which at least one passage extends through such that pressurized gas can be guided to the cartridge connector. The cartridge connector comprises an opening towards the passage such that the content can be expelled from the cartridge upon application of the pressurized gas to the floor of a cartridge when the cartridge is arranged in the cartridge connector, and wherein the passage can be closed and opened through the operated valve. The valve has a valve body that is arranged in the base body in a rotatable manner, wherein a motion of the trigger grip leads to a rotation of the valve body in the base body.

Abstract: A bottle stopper with an inlet and outlet fitting that is adapted to receive a pressurized gas to dispense a liquid from the lower portion of a bottle and having a hand grip with a dedicated arch partially conforming to at least one finger. The bottle stopper includes a dispensing mechanism having a receiving structure with at least one sealing rib configured to conform to an inner wall of a dispensing container port when the sealing rib is inserted into the dispensing container port. The receiving structure receives an end portion of a dispensing structure tube having a latching surface located on an outer perimeter of the dispensing structure tube. The primary handle structure is located opposite the secondary handle structure and they each have a dedicated arch partially conforming to a user's fingers for removing or installing the dispensing structure tube into or out of the receiving structure.

Abstract: A lubricant dispenser and an electrical tool. The dispenser includes a housing; a reservoir for containing lubricant; a pump assembly operable to pump lubricant; and a purge assembly including a channel defined by the housing and extending between the reservoir and atmosphere, at least a portion of the channel extending along a channel axis through an opening in the housing and to atmosphere, and a plunger slidable along a plunger axis between a sealed position, in which the reservoir is isolated from atmosphere, and an open position, in which the reservoir is in fluid communication with atmosphere, the plunger axis extending at an angle with respect to the channel axis. The purge assembly may include a biasing member operable to bias the plunger toward the sealed position. The tool may be a dispenser and may include a motor supported by the housing; a trigger; and a trigger lock assembly.

Abstract: A dispenser is provided including a dispenser housing that receives disposable refill units that are to be replaced when empty. The dispenser housing includes an air compressor and an inflation plug. The inflation plug includes a needle having an outlet and further includes a vent valve in fluid communication with the outlet. The inflation plug is fluidly associated with the air compressor such that the air compressor selectively advances air to the vent valve and to the outlet of the needle. The disposable refill includes a container having an interior with a liquid portion and air portion therein. The container further includes a plug receipt, and the inflation plug of the dispenser housing engages the plug receipt such that the outlet of the needle communicates with the interior of the container.

Abstract: A valve comprising an inlet and an outlet, the valve having a valve element moveable between a first equilibrium position and a second open position, wherein when the valve element is in the first position, the inlet and the outlet are not in flow communication and when the valve element is in the second position the inlet and the outlet are in flow communication, and wherein the valve element is moveable between the first position and the second position in response to the pressure at the inlet and the outlet.

Abstract: A dispensing apparatus is provided, which, when filled with product and assembled, substantially reduces product leakage from an orifice of an applicator thereof during extended periods of non-use. The dispensing apparatus includes a barrel defining an interior chamber for holding a product, the barrel having an open bottom at one end thereof and an applicator tip having one or more orifices therethrough at the other end. The barrel also includes two or more passages located along the length of the barrel between the bottom of the barrel and a predetermined fill-level.

Abstract: An aerosol can has a dispensing valve at one end and discharge device at another end that allows the pressurized can to be safely depressurized. The discharge device has two elements that collectively fit into a wall of the aerosol can. The second element has a through passage within itself and is threadingly connected to the first element. The first element can be rotated such that the second element can move toward the interior of the aerosol can, which in turn opens the through passage to allow pressurized air to exit the can safely.

Abstract: A trigger type head cap for an aerosol sprayer allows residual gas inside of an aerosol container of the sprayer to be easily and reliably discharged and eliminated. The cap includes a cap cover to be placed on the aerosol container, which has a stem provided on a top thereof; a tubular member that has a stem mating part to mate with the stem and ends with a jet orifice to form a flow path continuous from the stem mating part to the jet orifice in the tubular member; and a trigger lever member capable of thrusting down the stem mating part. In addition, the cap has a rotatable rotary stopper (21) to hold the stem mating part in the state that it is thrust down, and a stopper operating lever for effecting rotation of the stopper.

Abstract: Systems are described for delivery of a wide variety of materials in which liquid and gas or vapor states are concurrently present, from a package preferably including a fluid-containing collapsible liner. Headspace gas is removed from a pressure dispensing package prior to liquid dispensation therefrom, and ingress gas is removed thereafter during dispensation operation. At least one sensor senses presence of gas or a gas-liquid interface in a reservoir or gas-liquid separation region. A gas removal system including an integral reservoir, at least one sensor, and at least one flow control elements may be included within a connector adapted to mate with a pressure dispensing package, for highly efficient removal of gas from the liquid being dispensed from the container.

Abstract: A pressure regulated flow valve which compensates for the decreasing internal pressure inside a pressurized product dispensing container using substantially insoluble compressed gas. Where the internal pressure within the pressurized product dispensing container decreases below a certain threshold pressure, the pressure regulated valve provides for an increase in the flow of the product being dispensed from the pressurized container via the pressure regulated flow valve.

Abstract: A method and apparatus for extruding viscous materials is provided. A dispenser comprises a control mechanism(s), a material containing structure and ports adapted to be coupled to a portable high-pressure gas source. A user controls a flow of the high-pressure gas with a control mechanism such as a trigger. The gas moves a piston inside the material containing structure and displaces viscous materials, such as an explosive, out of the structure through an output port or an output port coupled to a nozzle. A transparent materials tube may be provided to facilitate visual monitoring of the material flow. Localized and system wide pressure is controlled by structural design, material application on a structural component or control mechanisms to mitigate or eliminate a possibility of unintended effects from extrusion of the material including explosion due to overly high pressures between components of the extruder system.

Abstract: A liquid dispensing apparatus is provided which has a syringe for storing and dispensing a liquid, and a connector passage connected to the syringe. A positive pressure passage is connected to an air source for supplying positive pressure to the syringe, and there is a pressure valve located along the positive pressure passage that is operative to control the flow of air along the positive pressure passage. A vacuum passage is connected to a vacuum generator for supplying vacuum pressure to the syringe, and there is a vacuum valve located along the vacuum passage that is operative to control the flow of air along the vacuum passage. The positive pressure passage and vacuum passage are connected to the connector passage. A pressure sensor is also provided to measure the pressure in the connector passage.

Abstract: An on-demand fluid dispenser to dispense fluid in response to gas generation by a gas cell. The on-demand fluid dispenser includes an expandable gas chamber, a fluid chamber, and an on-demand gas cell. The expandable gas chamber includes a moveable plunger forming a wall of the expandable gas chamber. The moveable plunger also forms a wall of the fluid chamber. The on-demand gas cell is configured to generate the gas on demand. The on-demand gas cell is also configured to direct the gas to the expandable gas chamber to expand the expandable gas chamber. Expansion of the expandable gas chamber moves the moveable plunger to reduce a volume of the fluid chamber and to dispense an amount of fluid from the fluid chamber.

Abstract: Pressure equalizing device comprising a fluid container for attachment to a receptacle such as a vial to permit pressure equalization between the fluid container and the receptacle. The pressure equalizing device comprises a flow channel that is arranged to provide fluid communication into or out of the fluid container when the pressure equalizing device is attached to the receptacle. The pressure equalizing device also comprises a fluid inlet that contains a one-way valve that permits fluid to flow into the fluid container via said fluid inlet and that prevents fluid from flowing out of the fluid container via said fluid inlet and filter-receiving means that are arranged to permit fluid flowing into or out of the fluid container to be filtered when the filter-receiving means comprises a filter.

Abstract: An aerosol container (10) dispenses a fluid product under pressure. A pressure relief mechanism (30) vents the container in a controlled manner when the container is subjected to excessive pressure so to prevent the container from bursting. The container has a container body (12) of a hollow, generally cylindrical shape. Pressurized contents of the container are expelled through a valve assembly (18) installed at one end of the container. An end piece (22) attached to the container body at the other end of the container has a first circular shaped section (26) surrounded by a ring shaped outer section (28). The pressure relief mechanism comprises U-shaped score lines (32) formed across the transition between the two sections of the end piece. These score lines create lines of weakness in the material from which the end piece is made for the end piece to fracture along the score lines when the pressure within the container exceeds a predetermined pressure level.

Abstract: A combustion device in the form of a paraffin stove (10) comprises a fuel reservoir (12), a burner (14), stand pipe (16) which extends between the reservoir (12) and the burner (14) and a stove top (18). The reservoir (12) comprises a rigid, air-tight outer container (22) and a deformable bladder (25) for holding paraffin (27) which is located within the container (22). The bladder has an outlet (44) which is connected to the stand pipe (16). A conduit (51) which can be connected to a source of compressed air is connected to the container (22) for pressurizing the container (22) to exert a force on the bladder (25) sufficient to cause the paraffin to be delivered to the burner (14) where it is ignited to produce a flame.

Abstract: An overpressure safety apparatus having a fuel container body and a mounting cap includes a main housing coupled to the mounting cap, the main housing having an elbow-shaped gas introducing passage, a valve stem disposed in the main housing through the mounting cap. The valve stem is provided with an orifice, an opening/closing seal inserted between a top of the main housing and the mounting cap to selectively open/close the orifice of the valve stem. A sub-housing is connected to a bottom of the main housing, and has a branch line communicating with the gas introducing passage and a receiving cavity with a bottom communicating with the branch line and a top communicating with an exhausting hole formed on the mounting cap. A safety valve is disposed in the receiving cavity to selectively open the branch line in response to variations of internal pressure of the container.

Abstract: A volumetric displacement device, especially good for preserving and dispensing carbonated beverages has been constructed that is extremely light, small, safe, attractive, easy to use, energy efficient and inexpensive. It can use battery power, has an ovaloid shape, can be constructed of thin flexible plastics, and operates in various positions that eliminate the need for a pickup tube. The controls of the device have been linked both electronically and mechanically for ease of operation.

Abstract: A food dispensing apparatus comprises a first shell, at least one second shell disposed within the first shell, a nozzle coupled to the first shell and the at least one second shell, and a check valve disposed in the nozzle and coupled to the at least one second shell. The at least one second shell is suitable for containing a food component. The food dispensing apparatus is suitable for preventing air from entering the at least one second shell.

Abstract: An aerosol container (10) dispenses a fluid product under pressure. A pressure relief mechanism (30) vents the container in a controlled manner when the container is subjected to excessive pressure so to prevent the container from bursting. The container has a container body (12) of a hollow, generally cylindrical shape. Pressurized contents of the container are expelled through a valve assembly (18) installed at one end of the container. An end piece (22) attached to the container body at the other end of the container has a first circular shaped section (26) surrounded by a ring shaped outer section (28). The pressure relief mechanism comprises U-shaped score lines (32) formed across the transition between the two sections of the end piece. These score lines create lines of weakness in the material from which the end piece is made for the end piece to fracture along the score lines when the pressure within the container exceeds a predetermined pressure level.

Abstract: The invention relates to a container (1), in particular for aerosols, with a container body (2) which comprises an expulsion opening (4) and a discharge opening (6), an expulsion valve (8) which is provided in the expulsion opening (4), and a discharge device (10) which is provided in the discharge opening (6). The container according to the invention is characterized in that the discharge device (10) comprises a first (12) and a second (14) element, wherein at least the second element (14) has at least one through-opening (16), and wherein, by displacing and/or rotating the second element (14) in relation to the first element (12) and/or the container body (2), the through-opening (16) can be brought into a discharge position in which the through-opening (16) connects the interior of the container body (2) to the outside of the container body.

Abstract: A pneumatic dispensing gun includes a receptacle having a conduit for receiving a pressurized gas, a cartridge supported on the receptacle, an end cap attached to the cartridge and having a path communicating with the conduit of the receptacle, and a regulating device attached to the end cap for regulating the pressurized gas or for allowing pressurized gas supplied to the dispensing gun to be released when required, and for preventing the pressurized gas supplied to the dispensing gun from being over pressurized, and thus for suitably and adjustably dispensing the flowable material from the cartridge.

Abstract: An apparatus is provided for permitting a substantially continuous flow of drywall compound to a wallboard joint. The apparatus includes a delivery tube for delivering drywall compound completely therethrough. The delivery tube has a first end connected to a drywall compound supply assembly fed directly by a source of pressurized drywall compound. The delivery tube also has a second end opposite the first end in communication with a drywall compound dispensing head. A normally closed, pressure sensitive valve arrangement is interposed between the second end of the delivery tube and the dispensing head for controlling the starting and stopping of drywall compound flow between the delivery tube and the dispensing head.

Abstract: A fixed and/or stationary modular unit consists of a hydraulic fluid tank, a variable frequency drive consisting of a variable frequency controller, a variable frequency motor, and a pressurization pump. A compressed gas transportation system consists of a cylinder or set of cylinders. Each cylinder has a charging port and a dispensing port. A pair of valves are located at each charging port of each cylinder, with one valve connected to an incoming hydraulic fluid line and the other valve connected to a hydraulic fluid return line. A valve is connected at the dispensing port of each cylinder. As gas is dispensed from cylinders, hydraulic fluid is pumped from the tank by the variable frequency drive into the cylinder at a rate substantially equal to the dispensing rate of the compressed gas to maintain a constant pressure within the cylinder.

Abstract: A device and method are provided for dispensing a beverage from a pressurized container. The dispensing device includes an integral source of compressed gas for maintaining the beverage within the container at a desired pressurized state. The dispensing device also includes a regulator for controlling the flow of gas from the compressed gas source to the interior of the container, as well as a pressure relief mechanism that accounts for potential over pressurization of the container. The beverage is selectively dispensed by actuation of a tap handle. Delivery is achieved through the device by a resilient delivery tube, and the delivery tube is either pinched closed or allowed to decompress by the actuation of the tap handle. In another embodiment, a check valve is used to control flow of the beverage in which the tap handle activates a transfer rod to seat and unseat a check element. The device can be manufactured in either a unitary construction or a modular construction.

Abstract: A device and method are provided for dispensing a beverage from a pressurized container. The dispensing device includes an integral source of compressed gas for maintaining the beverage within the container at a desired pressurized state. The dispensing device also includes a regulator for controlling the flow of gas from the compressed gas source to the interior of the container, as well as a pressure relief mechanism that accounts for potential over pressurization of the container. The beverage is selectively dispensed by actuation of a tap handle. Delivery is achieved through the device by a resilient delivery tube, and the delivery tube is either pinched closed or allowed to decompress by the actuation of the tap handle.

Abstract: A device and method are provided for dispensing a beverage from a pressurized container. The dispensing device includes an integral source of compressed gas for maintaining the beverage within the container at a desired pressurized state. The dispensing device also includes a regulator for controlling the flow of gas from the compressed gas source to the interior of the container, as well as a pressure relief mechanism that accounts for potential over pressurization of the container. The beverage is selectively dispensed by actuation of a tap handle. Delivery is achieved through the device by a resilient delivery tube, and the delivery tube is either pinched closed or allowed to decompress by the actuation of the tap handle. In another embodiment, a check valve is used to control flow of the beverage in which the tap handle activates a transfer rod to seat and unseat a check element.

Abstract: A valve assembly including a main body (13,24) with a cavity (25) having an aperture (35a) formed through the main body and channels (26) formed radially in the cavity wall. A seal member (18) is shaped to fit within the cavity such that when the seal member moves away from the aperture flow is permitted in the channel toward and through the aperture. The valve is for incorporation with a tap device, particularly for use with a “mini-keg” of beverage.

Abstract: A fill valve for filling and sealing of a pressurized dispensing container, as well as for allowing the release of pressure from a container to prevent over pressurization. The valve may include a generally cylindrical body having a first end and a second end. The fill valve prevents over pressurization of a dispensing container by releasing pressure at a desired maximum point and then stopping the leakage of pressure at a desired minimum point.

Abstract: Top cone for an aerosol can, including a formed metal sheet extending around a longitudinal central axis, and having a contour that includes, as seen in longitudinal cross section from the top downward, a top section intended for holding a valve cap, a cone section connected to the top section and leading to a countersink section and a flange section. The countersink section is essentially U-shaped whereby the outer leg of the essential U-shape, that is the leg being furthest removed from the central axis, is bent away from the central axis to form the flange section, and which cone section has a continuously increasing transversal diameter, wherein the top cone comprises strengthening means for strengthening the countersink section against pivoting toward the central axis.

Abstract: A mechanical grouting and re-pointing device includes a closed pressure vessel for containing grouting or re-pointing material, an input to the pressure vessel for the supply thereto of compressed gas, and an outlet from the pressure vessel to which is attached a nozzle for directing outputted material to the joint to be filled. The device also includes a flow control valve for regulating the flow of compressed gas to the pressure vessel and, as a consequence, for controlling flow of material from the vessel through the nozzle. A manually operated air bleed valve mounted externally of the pressure vessel communicates with the interior of the vessel to control pressure within the vessel.

Abstract: An improved humidifier assembly includes a tubing and a one-way valve for equalizing pressure between gas space of a water supply container and gas space of a humidifier vessel.

Abstract: A pressure relief device for venting an internally pressurized container such as an aerosol can has three sections, a concave annular outer area, a circular central area and an annular intermediate area connecting the concave annular area to the circular area. The three sections all have the same thickness. The central area has a center point and an arc shaped score line extending through 132° to 138°, preferably 135°, about an arc center. The arc center is offset from the center point of the circular area by a distance of from about 0.290 inches. The score line has a depth of from 0.010 to 0.012 inches and is trapezoidal in transverse cross section. The intermediate area meets the circular area at an angle greater than 90° and the intermediate area meets the concave annular outer area at an angle greater than 90°.

Abstract: An inlet is adapted to receive pressurized gas from a CO2 gas cartridge. A variable compression member has a normal height, under normal operating temperature conditions, adapted to provide a normal compressive force between the gas cartridge and the inlet to effectively seal the gas cartridge to the inlet. The variable compression member also has a reduced height, under heightened temperature conditions, adapted to provide a reduced compressive force between the gas cartridge and the inlet to allow pressurized gas to escape between the gas cartridge and the inlet. A seal member is compressed between the gas cartridge and the inlet. The inlet may be part of a pneumatic dispensing device. The gas inlet is in fluid communication with a gas enclosure to enable pressurized gas delivered through the inlet to provide a dispensing force on a product cartridge to cause dispensing of the viscous product.

Abstract: A pressurized gas cartridge drives a dispensing device for viscous product cartridges. The dispensing device and the viscous product cartridge form a gas enclosure separated from a product enclosure by a movable wall. A valve is driven by a rack and pinion valve drive mechanism between an open position and a closed position upon rotation of the pinion. The rack rotates the pinion upon linear movement thereof. A trigger is adapted to impart linear movement to the rack upon manual actuation of the trigger. The open position of the nozzle valve permits viscous product to flow through the dispensing passage, and the closed position of the nozzle valve prevents viscous product from flowing through the dispensing passage. The interface between the trigger and rack is designed to operationally disengage rather than transmit a force therebetween that is capable of damaging the device.

Abstract: An apparatus including a tank having at least one side wall for receiving solid or semi-solid thermoplastic material and a base member supporting the side wall(s) for heating and melting the thermoplastic material. The base member has a heated upper surface sloped downwardly towards the side wall(s) for directing the flow of melted material, and is configured to provide a collection trough for receiving the melted material. A strainer is positioned above the collection trough to filter the melted material. The strainer is adapted to support the remaining solid or partially solidified thermoplastic material above a portion of the heated upper surface to provide a less restricted flow path for the melted material to the collection trough.

Abstract: The invention relates to a dispensing device and a method for dispensing liquids, preferably reagents, in an essentially automated and finely dosed manner. The dispensing device comprises a first duct that is connected to a storage element for storing the liquid to be dispensed. In addition, a conveying element for conveying the liquid through the fist duct is provided, whereby the liquid has to be dispensed. Liquid is transported from the storage element and is conveyed into the first duct by the conveying element. Moreover, the dispensing device is provided with a closing device that is arranged downstream in the conveying direction of the liquid in relation to the conveying element and serves for quickly closing and quickly opening the first duct. The aim of the invention is to regulate the pressure of the liquid in the region between the conveying element and the closing device. A device for regulating the pressure of the liquid in this region is provided.